Mackie, G., White, D. & Zdeba, T. (1980) A Guide to
the Freshwater Mollusks of the Laurentian Great Lakes, with Special
Emphasis on the Genus Pisidium. Duluth, MN: U.S.
Environmental Protection Agency.

Thompson, F. & Hershler, R. (1991) Two new hydrobiid
snails
(Amnicolinae) from Florida and Georgia with a discussion of the
biogeography
of freshwater gastropods of south Georgia streams. Malac. Rev., 24,
55-72.

Thompson, F. & Hershler, R. (1991) Two new hydrobiid
snails
(Amnicolinae) from Florida and Georgia with a discussion of the
biogeography
of freshwater gastropods of south Georgia streams. Malac. Rev., 24,
55-72

Western Gulf

Cheatum, E. P. & Fullington, R. W. (1971) The aquatic and land
Mollusca of Texas. Bulletin 1, Supp: Keys to the families of the
recent land and freshwater snails of Texas. Dallas Mus. of Natur.
His. 1, 1-18